Answers for "javascript remove number from array"

javascript remove from array by index

//Remove specific value by index
array.splice(index, 1);

js remove from array by value

const index = array.indexOf(item);
if (index !== -1) array.splice(index, 1);

remove a value to an array of javascript

var data = [1, 2, 3];

// remove a specific value
// splice(starting index, how many values to remove);
data.splice(1, 1);
// data = [1, 3];

// remove last element
data.pop();
// data = [1, 2];

how to remove an element from an array javascript

let myArray = [3, 1, 4, 1, 5, 2];
let unwantedElementIndex = 3;

// This line removes 1 element from the array, starting at the unwantedElementIndex
myArray.splice(unwantedElementIndex, 1);

// If you have your custom test to remove an element just go for 
// Higher-Order functions
let myArray = ["[email protected]", "wrong@[email protected]", "..."];
const emailRegexp = ____;
let allCorrectEmails = myArray.filter(element => emailRegexp.test(element));

how to remove a variable from an array javascript

let colors = ["red","blue","car","green"];
//remove car from the colors array
colors.splice(color[2]); // colors = ["red","blue","green"]